56616309626 has 8 divisors (see below), whose sum is σ = 84925486740. Its totient is φ = 28307814048.

The previous prime is 56616309599. The next prime is 56616309691. The reversal of 56616309626 is 62690361665.

It can be written as a sum of positive squares in 2 ways, for example, as 33421324225 + 23194985401 = 182815^2 + 152299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188390 + ... + 385646.

Almost surely, 2^56616309626 is an apocalyptic number.

56616309626 is a deficient number, since it is larger than the sum of its proper divisors (28309177114).

56616309626 is a wasteful number, since it uses less digits than its factorization.

56616309626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340768.

The product of its (nonzero) digits is 2099520, while the sum is 50.

The spelling of 56616309626 in words is "fifty-six billion, six hundred sixteen million, three hundred nine thousand, six hundred twenty-six".